21615928

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2027}}^1$

素因数の和:2107

約数の個数: 32

約数和(自身を含む): 42831360

約数和(自身を除く): 21215432

約数列:

[1, 2, 4, 8, 31, 43, 62, 86, 124, 172, 248, 344, 1333, 2027, 2666, 4054, 5332, 8108, 10664, 16216, 62837, 87161, 125674, 174322, 251348, 348644, 502696, 697288, 2701991, 5403982, 10807964, 21615928]

約数ペア:

[(1, 21615928), (2, 10807964), (4, 5403982), (8, 2701991), (31, 697288), (43, 502696), (62, 348644), (86, 251348), (124, 174322), (172, 125674), (248, 87161), (344, 62837), (1333, 16216), (2027, 10664), (2666, 8108), (4054, 5332)]